add new subdir for e2fsprogs

e2fsprogs/e2p/ostype.c

@@ -0,0 +1,73 @@
+/*
+ * getostype.c          - Get the Filesystem OS type
+ *
+ * Copyright (C) 2004,2005  Theodore Ts'o <tytso@mit.edu>
+ *
+ * This file can be redistributed under the terms of the GNU Library General
+ * Public License
+ */
+
+#include "e2p.h"
+#include <string.h>
+
+const char *os_tab[] =
+	{ "Linux", 
+	  "Hurd", 
+	  "Masix", 
+	  "FreeBSD", 
+	  "Lites",
+	  0 };
+
+/*
+ * Convert an os_type to a string
+ */
+char *e2p_os2string(int os_type)
+{
+        const char	*os;
+	char 		*ret;
+
+	if (os_type <= EXT2_OS_LITES)
+		os = os_tab[os_type];
+	else
+		os = "(unknown os)";
+
+        ret = malloc(strlen(os)+1);
+        strcpy(ret, os);
+        return ret;
+}
+
+/*
+ * Convert an os_type to a string
+ */
+int e2p_string2os(char *str)
+{
+	const char	**cpp;
+	int		i = 0;
+
+	for (cpp = os_tab; *cpp; cpp++, i++) {
+		if (!strcasecmp(str, *cpp))
+			return i;
+	}
+	return -1;
+}
+
+#ifdef TEST_PROGRAM
+int main(int argc, char **argv)
+{
+	char 	*s;
+	int	i, os;
+
+	for (i=0; i <= EXT2_OS_LITES; i++) {
+		s = e2p_os2string(i);
+		os = e2p_string2os(s);
+		printf("%d: %s (%d)\n", i, s, os);
+		if (i != os) {
+			fprintf(stderr, "Failure!\n");
+			exit(1);
+		}
+	}
+	exit(0);
+}
+#endif
+
+